Do Delta radius check without sqrt

8 years ago · 12d72363cb
parent 044f800be9
commit 12d72363cb
1 changed files with 1 additions and 2 deletions
--- a/Marlin/Marlin_main.cpp
+++ b/Marlin/Marlin_main.cpp
@ -3667,8 +3667,7 @@ inline void gcode_G28() {

          #if ENABLED(DELTA)
            // Avoid probing outside the round or hexagonal area of a delta printer
-            float distance_from_center = HYPOT(xProbe, yProbe);
-            if (distance_from_center > DELTA_PROBEABLE_RADIUS) continue;
+            if (sq(xProbe) + sq(yProbe) > sq(DELTA_PROBEABLE_RADIUS)) continue;
          #endif

          float measured_z = probe_pt(xProbe, yProbe, stow_probe_after_each, verbose_level);